Mariners trade Luis Castillo to White Sox for three players
5 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
The brief
"Mariners trade Luis Castillo to White Sox for three players" is generating significant coverage in the Sports category, with 5 articles from 5 distinct sources tracked by PULSE so far.
Outlets currently covering the story include MLB.com, CBS Sports, MLB Trade Rumors and ESPN. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.
This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.
Generated by PULSE's extractive engine from coverage metadata only — no AI-written claims. Updated 3h ago.
Quick answers
Why is "Mariners trade Luis Castillo to White Sox for three players" trending?
Because 5 independent news sources published 5 articles about it in a short window — a coverage burst PULSE classifies as a trend.
How does PULSE measure this trend?
PULSE scores velocity from the rate of new articles weighted by source diversity, snapshotted hourly. The full method is public on our methodology page.
Is this trend still active?
The status badge on this page updates hourly: rising, peaking, cooling, or archived once coverage stops for 48 hours.
Coverage (10)
- Breaking: White Sox acquire Luis Castillo in deadline deal Yahoo Sports · 2h ago
- Mariners get Domínguez for 'pen help in Castillo trade with White Sox MLB.com · 2h ago
- Mariners get Domínguez for 'pen help in Castillo trade with White Sox MLB.com · 3h ago
- White Sox get Luis Castillo in four-player trade NBC Sports · 3h ago
- White Sox add Luis Castillo as Mariners shed salary: MLB Trade Grades The New York Times · 3h ago
- White Sox to acquire righty Castillo from Mariners in 4-player trade (source) MLB.com · 4h ago
- Luis Castillo traded to White Sox: Mariners starter to bolster Chicago rotation hanging on to division lead CBS Sports · 4h ago
- White Sox To Acquire Luis Castillo MLB Trade Rumors · 4h ago
- Sources: White Sox acquiring Castillo from Mariners in trade ESPN · 4h ago
- Mariners trade Luis Castillo to White Sox for three players seattletimes.com · 4h ago
Topics
Related trends
Willson Contreras out of Red Sox lineup vs. Dodgers, All-Star righty Saturday
2 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.
Mariners listening to offers on Kirby ahead of walk-off win over Twins
2 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.
Mariners booed by home fans as late rally ends in yet another close, critical loss
4 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.
MLB Trade Rumors: Red Sox Jarren Duran Gone, Clay Holmes to Yankees & More
1 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.
Mariners’ latest trade talks could signal change of direction ahead of trade deadline
1 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.
Red Sox take the champs’ best shot and win by punching back
2 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.